ROŻKO, Karolina. The Notion of Refutation in Contemporary Logic (in Polish). Diametros, [S. l.], n. 41, p. 115–126, 2014. DOI: 10.13153/diam.41.2014.653. Disponível em: https://diametros.uj.edu.pl/diametros/article/view/653. Acesso em: 29 mar. 2024.